public class Example5_3 {
	public static void main(String args[]) {
		CheapGoods cheapGoods = new CheapGoods();
	//cheapGoods.weight=198.98是非法的，因为子类对象的weight变量已经是int型	
	cheapGoods.newSetWeight(198);
	System.out.println("对象cheapGoods的weight的值是:"+cheapGoods.weight);
	System.out.println("cheapGoods用子类新增的优惠方式计算价格:"+cheapGoods.newGetPrice());
	cheapGoods.oldSetWeight(198.987);//子类对象调用继承的方法操作隐藏的double
	//型变量weight	
	System.out.println("cheapGoods使用继承的方法(无优惠)计算价格:"+cheapGoods.oldGetPrice());
	}
	
}
